an easy way to do this is to logon to you bi machine.  bring up the command prompt.
at the command prompt use the CD (change directory) to you 
blue iris folder and do a dir command like this:
C:\Users\me>d:
D:\>dir blue*
 Volume in drive D is Blue-Iris
 Volume Serial Number is 8878-5941
 Directory of D:\
05/02/2022  03:14 PM    <DIR>          BlueIris
               0 File(s)              0 bytes
               1 Dir(s)  3,815,705,673,728 bytes free
D:\>cd blueiris
D:\BlueIris>dir
 Volume in drive D is Blue-Iris
 Volume Serial Number is 8878-5941
 Directory of D:\BlueIris
05/02/2022  03:14 PM    <DIR>          .
05/02/2022  03:14 PM    <DIR>          ..
07/07/2022  09:38 AM    <DIR>          Alerts
07/07/2022  09:31 AM    <DIR>          New
06/20/2022  09:25 AM    <DIR>          Stored
               0 File(s)              0 bytes
               5 Dir(s)  3,815,693,090,816 bytes free
D:\BlueIris>cd new
D:\BlueIris\New>dir gate*
 Volume in drive D is Blue-Iris
 Volume Serial Number is 8878-5941
 Directory of D:\BlueIris\New
07/06/2022  09:33 AM     3,145,971,904 Gate.20220706_080000.bvr
07/06/2022  11:05 AM     3,145,967,637 Gate.20220706_093323.bvr
07/06/2022  11:59 AM     1,869,655,212 Gate.20220706_110542.bvr
07/06/2022  01:33 PM     3,146,788,790 Gate.20220706_120000.bvr
07/06/2022  03:07 PM     3,146,654,572 Gate.20220706_133333.bvr
07/06/2022  04:00 PM     1,764,672,572 Gate.20220706_150758.bvr
07/06/2022  05:34 PM     3,162,869,007 Gate.20220706_160000.bvr
07/06/2022  07:09 PM     3,145,797,564 Gate.20220706_173409.bvr
07/06/2022  07:59 PM     1,695,430,625 Gate.20220706_190947.bvr
07/06/2022  09:33 PM     3,146,383,628 Gate.20220706_200000.bvr
07/06/2022  11:06 PM     3,146,858,776 Gate.20220706_213328.bvr
07/07/2022  12:00 AM     1,793,426,613 Gate.20220706_230651.bvr
07/07/2022  01:38 AM     3,145,900,460 Gate.20220707_000000.bvr
07/07/2022  03:22 AM     3,146,459,921 Gate.20220707_013837.bvr
07/07/2022  04:00 AM     1,260,634,115 Gate.20220707_032241.bvr
07/07/2022  05:33 AM     3,146,548,440 Gate.20220707_040000.bvr
07/07/2022  07:08 AM     3,146,001,105 Gate.20220707_053326.bvr
07/07/2022  07:59 AM     1,782,128,619 Gate.20220707_070806.bvr
07/07/2022  09:31 AM     3,146,237,155 Gate.20220707_080000.bvr
07/07/2022  09:31 AM               888 Gate.20220707_093150.bvr
              20 File(s) 51,084,387,603 bytes
               0 Dir(s)  3,815,676,313,600 bytes free
D:\BlueIris\New>